The real reason for the plunge in the gold is speculation that International Monetary Fund (IMF) will be selling gold.
Zokora's arrival will increase speculation that England international Michael Carrick could be on his way out of White Hart Lane.
BBC: Zokora had an outstanding World Cup for the Ivory Coast
Also Facebook gaming company Double Down Interactive was recently acquired by video poker company International Game Technology, fueling more speculation.
FORBES: Zynga Finds Online Gambling 'Very Interesting' [Earnings Call]
Meanwhile, McGrath's long-time team-mate Shane Warne has played down speculation over a possible return to international limited-overs cricket.
The yield on 10-year bonds soared to 6.68pc at one point, leading to frantic speculation that Italy will require an international bail-out.
American International Group shares dropped nearly 6% Thursday on speculation it faced potentially large write-downs of investments in credit derivatives as well as exposure through its financial products group, which sells bond insurance.
But Toshack also left out influential captain Craig Bellamy sparking speculation over the Manchester City striker's international future in the build-up.
Talk of an international board has been around for several years, and the early speculation was that it would open in late 2010.
Some people suggest that Mr Netanyahu has deliberately stirred up this wave of speculation about an Israeli strike in an effort to stiffen international sanctions against Iran.
This is the first successful launch of a Soyuz rocked since a failed launch in April led to speculation that NASA might send the current crew of the International Space Station home until another launch vehicle was developed.
Sir Paul says he quit because of the speculation and accusations relating to the Met's links with senior News International figures and, critically, the decision to give a PR contract to former News of the World executive Neil Wallis.
Roby's future was the subject of much speculation during the 2010 Four Nations in Australia and New Zealand but the England international recently made his commitment to St Helens clear by penning a new three-year contract.
After subsequent speculation of continued consolidation in the hotel and resort industry, with the likes of Marriott International and Starwood all garnering call interest in the afterglow of the Hilton deal, we conclude the week on a note of conjecture that the deal-fest will continue next week, this time with a focus on big retail.
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